Drafting Scale(775)
Deal, Arteza Triangular Architect Scale Ruler, Multicolor, 12 in $10.97 Was $14.99

Arteza Triangular Architect Scale Ruler, Multicolor, 12 in
POITVD 12 Inch Architectural Scale Ruler, Black Aluminum Triangular Architect Ruler with Laser-Etched Markings, 3-Sided Drafting Scale for Architects, Engineers, Draftsmen and Students $12.99

POITVD 12 Inch Architectural Scale Ruler, Black Aluminum Triangular Architect Ruler with Laser-Etched Markings, 3-Sided Drafting Scale for Architects, Engineers, Draftsmen and Students
Performance Tool W5709 $44.38

Performance Tool W5709
Parallel Rolling Ruler 12 inch Clear Metric Drawing Tool with Protractor for Drafting Measuring $10.49

Parallel Rolling Ruler 12 inch Clear Metric Drawing Tool with Protractor for Drafting Measuring
WEN 12-inch Aluminum Triangular Architect Ruler with Laser-Etched Imperial Drafting Scales $10.00

WEN 12-inch Aluminum Triangular Architect Ruler with Laser-Etched Imperial Drafting Scales
Best seller, Mr. Pen Aluminum Architectural Triangular Scale Ruler, 12", Color-Coded

Mr. Pen Aluminum Architectural Triangular Scale Ruler, 12", Color-Coded
POITVD 12 Inch Architectural Scale Ruler, Black Aluminum Triangular Architect Ruler with Laser-Etched Markings, 3-Sided Drafting Scale for Architects, Engineers, Draftsmen and Students $12.99

POITVD 12 Inch Architectural Scale Ruler, Black Aluminum Triangular Architect Ruler with Laser-Etched Markings, 3-Sided Drafting Scale for Architects, Engineers, Draftsmen and Students
4-in Aluminum Engineer Color-Coded Solid Drafting Scale, 4IN, Silver - by Alumicolor $9.25

4-in Aluminum Engineer Color-Coded Solid Drafting Scale, 4IN, Silver - by Alumicolor
Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler $5.99

Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler
Staedtler Student Grade Engineering Scale, 12in

Staedtler Student Grade Engineering Scale, 12in
Proportional Divider for Artists, Adjustable Scale Drawing Tool Ruler, Pocket Size Measuring Tool with Locking Pivot for Enlarging, Reducing and Transferring Accurate Drawing Proportions $14.99

Proportional Divider for Artists, Adjustable Scale Drawing Tool Ruler, Pocket Size Measuring Tool with Locking Pivot for Enlarging, Reducing and Transferring Accurate Drawing Proportions
Plastic Parallel Rolling Ruler - Multifunctional Measuring Tool for Drawing, Design, Office Drafting, Architecture & Math(6inch、12inch) $18.99

Plastic Parallel Rolling Ruler - Multifunctional Measuring Tool for Drawing, Design, Office Drafting, Architecture & Math(6inch、12inch)
Alumicolor Hollow Triangular Drafting Scale - 12", Blue, Engineer $14.33

Alumicolor Hollow Triangular Drafting Scale - 12", Blue, Engineer
Geemin Drafting T Square Ruler with Precise Scale, Aluminum Alloy Construction, Perfect for DIY Enthusiasts Drafting Tool $13.74

Geemin Drafting T Square Ruler with Precise Scale, Aluminum Alloy Construction, Perfect for DIY Enthusiasts Drafting Tool
Clearance, Clear Straight Measuring Ruler, 12.1" Transparent Drafting Ruler, Plastic Drafting Scale, Easy-to-Read Marking Tool, Office Measuring Ruler, Portable Art Drafting Ruler for Daily Use, Clear Was $4.79

Clear Straight Measuring Ruler, 12.1" Transparent Drafting Ruler, Plastic Drafting Scale, Easy-to-Read Marking Tool, Office Measuring Ruler, Portable Art Drafting Ruler for Daily Use, Clear
Pantograph Copy Drawing Tool for Artists, Adjustable Drafting Scaler for Enlarging & Reducing, Robust Precision Scaling Tool for Blueprints & Sketches From $14.61
Pantograph Copy Drawing Tool for Artists, Adjustable Drafting Scaler for Enlarging & Reducing, Robust Precision Scaling Tool for Blueprints & Sketches
Reduced price, Triangular Ruler Set, Plastic Metric Inch Geometric Protractor Triangle Engineering Scale Drafting Ruler Kit From $0.61
Triangular Ruler Set, Plastic Metric Inch Geometric Protractor Triangle Engineering Scale Drafting Ruler Kit
Alumicolor 6-INCH Aluminum Engineer Color-Coded Solid Drafting Scale, 6IN, Silver $15.95

Alumicolor 6-INCH Aluminum Engineer Color-Coded Solid Drafting Scale, 6IN, Silver
AluminumAlloy Woodworking TSquare Ruler, Metal Scale Drawing Drafting Craft Tool $11.88

AluminumAlloy Woodworking TSquare Ruler, Metal Scale Drawing Drafting Craft Tool
Riousery Aluminum Triangular Architect Scale Ruler, 30cm Professional Engineer Scale for Architecture and Engineering Drafting Technical Illustrations, Gold (11.8 inches / 30 cm) $15.74

Riousery Aluminum Triangular Architect Scale Ruler, 30cm Professional Engineer Scale for Architecture and Engineering Drafting Technical Illustrations, Gold (11.8 inches / 30 cm)
4 Pack Multifunctional Geometric Ruler, Mathematics Measuring Tool Draft Rulers Set, Rotatable Circular Drawing Template Ruler for Student Studying Designing Office Supplies $13.99

4 Pack Multifunctional Geometric Ruler, Mathematics Measuring Tool Draft Rulers Set, Rotatable Circular Drawing Template Ruler for Student Studying Designing Office Supplies
Mayes Polystyrene Level Rule, 24 Inch $15.99

Mayes Polystyrene Level Rule, 24 Inch
Alumicolor Frank Lloyd Wright Foundation Drafting Scale $18.88

Alumicolor Frank Lloyd Wright Foundation Drafting Scale
RUseeN 12” Architectural Scale Ruler, Imperial Aluminum Alloy Metal Architecture Measuring Tools, Engineering Drafting Construction Drawing Blueprints Triangular Architect Scaling Rulers (Blue)

RUseeN 12” Architectural Scale Ruler, Imperial Aluminum Alloy Metal Architecture Measuring Tools, Engineering Drafting Construction Drawing Blueprints Triangular Architect Scaling Rulers (Blue)
Best seller, KFFKFF Digital Shipping and Postal Scale, 0.1 oz Precision, 88 lbs Capacity with Hold, Tare, and Auto-Off Features, Flip-Up Holder Design, Easy Calibration, Suitable for Home and Office $14.99 Was $21.99

KFFKFF Digital Shipping and Postal Scale, 0.1 oz Precision, 88 lbs Capacity with Hold, Tare, and Auto-Off Features, Flip-Up Holder Design, Easy Calibration, Suitable for Home and Office
Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler $9.69

Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler
CCOCC 2026 New T-Square Professional Shape Ruler Academic T-Ruler Plastic Student Designing Scale T-Shaped for Drafting, Drawing, Designing, Architecture, Engineering, Art Projects, Classroom Use $7.18

CCOCC 2026 New T-Square Professional Shape Ruler Academic T-Ruler Plastic Student Designing Scale T-Shaped for Drafting, Drawing, Designing, Architecture, Engineering, Art Projects, Classroom Use
Alumicolor Aluminum Engineer Drafting Pocket Scale with Clip, 6-inch, Silver $10.08

Alumicolor Aluminum Engineer Drafting Pocket Scale with Clip, 6-inch, Silver
Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler $6.05

Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler
Professional 30cm Triangular Engineer Scale Ruler - Aluminum Alloy, Gold, Multi-Scale Drafting Tool for Architects & Engineers (12 inches / 30 cm) $16.74

Professional 30cm Triangular Engineer Scale Ruler - Aluminum Alloy, Gold, Multi-Scale Drafting Tool for Architects & Engineers (12 inches / 30 cm)
BAZIC 12 In Clear Plastic Ruler, Inch & Metric (30 cm) From $7.49

BAZIC 12 In Clear Plastic Ruler, Inch & Metric (30 cm)
Architect Scale Ruler, 12-Inch Imperial Triangular Drafting Ruler for Blueprints, Anodized Aluminum Alloy, Black $8.42

Architect Scale Ruler, 12-Inch Imperial Triangular Drafting Ruler for Blueprints, Anodized Aluminum Alloy, Black
Drafting T Square Ruler with Scale, Aluminum Alloy Construction, Perfect for Enthusiasts Drafting Tool $11.36

Drafting T Square Ruler with Scale, Aluminum Alloy Construction, Perfect for Enthusiasts Drafting Tool
Wooden Straight Ruler with Inches and Centimeters, Single 6 Inch Dual Scale Measuring Ruler, Compact Drafting Tool for Drawing, Journaling and Office Desk Use

Wooden Straight Ruler with Inches and Centimeters, Single 6 Inch Dual Scale Measuring Ruler, Compact Drafting Tool for Drawing, Journaling and Office Desk Use
Woodworking T Square Ruler Aluminium Alloy Metal Woodworking Drawing Crafting Drafting Tool with Scale $13.41

Woodworking T Square Ruler Aluminium Alloy Metal Woodworking Drawing Crafting Drafting Tool with Scale
Clearance, Plastic Straight Ruler, Clear Ruler, Small Ruler, Centimeter Measuring Ruler, Clear Scale Ruler Measuring Tool, Transparent Drafting Instrument, Practical Stationery for Daily Use 1Pcs From $3.39
Plastic Straight Ruler, Clear Ruler, Small Ruler, Centimeter Measuring Ruler, Clear Scale Ruler Measuring Tool, Transparent Drafting Instrument, Practical Stationery for Daily Use 1Pcs
Uxcell Architectural Scale Ruler 7 Inch Metric Aluminum Alloy Triangular Drafting Ruler, Blue $13.49

Uxcell Architectural Scale Ruler 7 Inch Metric Aluminum Alloy Triangular Drafting Ruler, Blue
QenASHaing Anodized Aluminum Alloy 3-Sided Architect Ruler, Etched Imperial Scale for Precision Drafting, for Engineers Students Office Blueprint Work $6.04

QenASHaing Anodized Aluminum Alloy 3-Sided Architect Ruler, Etched Imperial Scale for Precision Drafting, for Engineers Students Office Blueprint Work
Alumicolor Hollow Triangular Drafting Scale - 12", Silver, Architect $13.10

Alumicolor Hollow Triangular Drafting Scale - 12", Silver, Architect
BESEW7 Flexible Ruler 12 Inch 30cm Plastic Ruler for Drafting Measuring Metric Scale Inches Centimeter for Classroom Supplies Rulers Bulk for Sewing Random Color 1pc $6.56

BESEW7 Flexible Ruler 12 Inch 30cm Plastic Ruler for Drafting Measuring Metric Scale Inches Centimeter for Classroom Supplies Rulers Bulk for Sewing Random Color 1pc
Drafting Fan Shaped Plastic Architect Engineering Metric Scale Ruler Straight Clear Through Measuring Tool for Student $8.16

Drafting Fan Shaped Plastic Architect Engineering Metric Scale Ruler Straight Clear Through Measuring Tool for Student
Aluminum Architectural Scale Ruler, Drafting Ruler, Precision 12" Triangular Drafting Tool With Metric Units For Architects, Engineers And Students For Blueprinting And Drafting $15.88

Aluminum Architectural Scale Ruler, Drafting Ruler, Precision 12" Triangular Drafting Tool With Metric Units For Architects, Engineers And Students For Blueprinting And Drafting
Vivcore Flexible Ruler, 6 Inch Small Bendable Soft Plastic Measuring Tool, Clear Pocket Scale, Centimeter and Inch Dual Unit Precision Layout Drafting, 1 Count From $4.09

Vivcore Flexible Ruler, 6 Inch Small Bendable Soft Plastic Measuring Tool, Clear Pocket Scale, Centimeter and Inch Dual Unit Precision Layout Drafting, 1 Count
T Square Ruler, Metal Drawing Drafting Tool with Scale for Woodworking Crafting $26.23

T Square Ruler, Metal Drawing Drafting Tool with Scale for Woodworking Crafting
Transparent Plastic Straight Ruler, Dual Inch Centimeter Scale Ruler, Clear Measuring Ruler, Durable Office Drafting Measuring Implement for Measuring Lengths & Drawing Straight Lines From $2.69
Transparent Plastic Straight Ruler, Dual Inch Centimeter Scale Ruler, Clear Measuring Ruler, Durable Office Drafting Measuring Implement for Measuring Lengths & Drawing Straight Lines
Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler $6.50

Architectural Scale Ruler, 12in Aluminum Scale, Triangular Ruler, Precise Scale Ruler for Blueprint Imperial Measurements, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler
BIMZUC Engineer Scale Aluminum 11.8 inches / 30 cm Triangular Architect Scale Ruler for Engineering, Drafting and Technical Illustrations Gold Color Premium Measurement Tool $14.74

BIMZUC Engineer Scale Aluminum 11.8 inches / 30 cm Triangular Architect Scale Ruler for Engineering, Drafting and Technical Illustrations Gold Color Premium Measurement Tool
Architecture Ruler Architect Scale Drafting Ruler Triangular Ruler Architectural Ruler for Draftsmen $8.41

Architecture Ruler Architect Scale Drafting Ruler Triangular Ruler Architectural Ruler for Draftsmen
SLUOHZXI Dual Scale Plastic Measuring Ruler, Compact Small Drafting Rule, Centimeter And Inch Markings, Clear Laser Scales, Smooth Edge, for Artist Designer Draft Drawing Office Measurement Work From $0.87

SLUOHZXI Dual Scale Plastic Measuring Ruler, Compact Small Drafting Rule, Centimeter And Inch Markings, Clear Laser Scales, Smooth Edge, for Artist Designer Draft Drawing Office Measurement Work
Other options to consider(54)
FAQ
What’s the difference between an architect and engineer scale?
Architect and engineer scales are both used for measuring and drafting, but they’re designed for different types of projects. Architect scales typically use fractional measurements (like 1/4" = 1'), which are common in building plans. Engineer scales use decimal measurements (such as 1" = 10'), making them ideal for civil engineering drawings and site plans. Choosing the right one depends on the type of plans you’re working with. If you’re unsure, check what your project or class requires before purchasing.
How do I read a triangular drafting scale?
Triangular drafting scales have three sides, each with two different scales, so you get six measurement options. To use one,
- Find the side with the scale you need (like 1:100 or 1/4" = 1').
- Align the zero mark with your starting point on the drawing.
- Read the measurement where your line or point ends.
Can I use a drafting scale for school projects?
Absolutely! Drafting scales are great for students working on technical drawings, architecture assignments, or STEM projects. They help you create accurate, scaled diagrams and blueprints. Many drafting scales are lightweight and easy to carry, making them handy for classroom or home use. Just be sure to choose one with the measurement units your assignment requires, whether that’s metric or imperial.
What’s the best way to keep my drafting scale clean?
To keep your drafting scale in good shape,
- Wipe it gently with a soft, damp cloth to remove dust and pencil marks.
- Avoid harsh cleaners or solvents, as these can damage markings, especially on plastic or painted scales.
- Store your scale in a case or drawer to prevent scratches and bending.
Are there drafting scales with both metric and imperial units?
Yes, many drafting scales feature both metric and imperial units, making them versatile for a variety of projects. These dual-unit scales are especially helpful if you work with international plans or switch between measurement systems. When shopping, check the product description or packaging to confirm which units are included, so you get the flexibility you need for your work or studies.
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